Apple Watch SE (3nd generation) Apple GPS + Cellular 44mm Starlight Aluminium Case

The Apple Watch SE (3rd generation) Apple GPS + Cellular 44mm Starlight Aluminium Case is a rectangular smartwatch designed for everyday wear and fitness tracking. It features a 44 mm aluminium case in starlight, an OLED Digital Touchscreen with 368 x 448 pixel resolution and up to 1000 cd/m² brightness, built‑in GPS and cellular connectivity, Wi‑Fi and Bluetooth 5.3, and is water resistant to 50 m. The device includes health and safety functions such as heart rate monitoring, accelerometer, gyroscope, Fall Detection and Crash Detection, plus sleep score and wrist temperature sensing for richer insights.

Advantages

The watch offers an Always‑On display for convenient glanceable information, improved battery performance with up to 18 hours of typical use and faster recharging, and a screen glass engineered to better resist cracks. Integrated sensors and the Vitals app provide activity tracking, heart rate data, sleep scoring and temperature trends. Cellular capability and built‑in speaker and microphone enable calls and Siri hands‑free when paired with a compatible plan.

Suitable for

• Everyday smart watch use with notifications and calls
• Fitness and activity tracking, including heart rate monitoring
• Swimming and water activities (water resistant up to 50 m)
• Sleep monitoring and health trend tracking
• Users who want GPS and cellular connectivity on the wrist

Key specifications

• Model: Apple Watch SE (3rd generation) GPS + Cellular, 44 mm Starlight Aluminium Case
• Display: OLED Digital Touchscreen, 368 × 448 pixels, up to 1000 cd/m², Always‑On
• Connectivity: GPS, 5G cellular, Wi‑Fi, Bluetooth 5.3, NFC
• Sensors: Heart rate monitor, accelerometer, gyroscope, wrist temperature sensor
• Safety: Fall Detection, Crash Detection
• Water resistance: Up to 50 m
• Battery: Built‑in Li‑Ion, typical use up to 18 hours, fast charge support
• Memory/Storage: 64 GB flash (as specified in product summary)
• Operating system: watchOS 11
• Included: Starlight Sport Band (M/L)
• Weight: 33 g

How to use

Charge the watch before first use and pair it with your iPhone following the on‑screen instructions in the Apple Watch app. Configure cellular service if you require standalone connectivity. Wear the watch comfortably on your wrist so sensors maintain skin contact for accurate heart rate and temperature readings. Use the touchscreen and side button to navigate apps, check notifications, start workouts, and access safety features such as Emergency SOS, Fall Detection and Crash Detection. Swim or shower with the device attached but rinse with fresh water after exposure to salt or chlorine.

Recommendations

Keep watchOS updated to receive the latest health and security improvements. For best sensor accuracy, wear the watch snugly but comfortably and ensure the back of the case is clean. Follow carrier instructions to enable cellular service and review water resistance guidelines before submersion activities.